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Sonceboz 99 H4.7 GENERATION 3
Ligne: 10.5'''
Jewels: 17
Frequency: 18000 vph
Type: Manual Wind
Period used: ~1960
Diameter: 23.3 mm
Hands: 1.30 x 0.85 mm
The Sonceboz 99 H4.7 GENERATION 3 watch movement is characterized by an early fixed or later mobile stud carrier and is typically identified by the signature 256. This movement features manual wind functionality and includes a sweep second function. It was commonly utilized during the period around 1960.
The Sonceboz 99 H4.7 GENERATION 3 features the following functions:
- Manual Winding
- Sweep second
Balance Staff Listing
| Ronda Reference # | Shock System | Buy |
|---|---|---|
| 4252 | Ordinary/None | Buy staff |
| 4252 | Incabloc | Buy staff |
Mainspring Listing
| Dimensions | GR Reference # | End Type | Buy |
|---|---|---|---|
| 1.60 x 0.105 x 320 x 9.5 mm | GR4504 | Manual | Buy mainspring |
| 1.55 x 0.100 x 290 x 9.0 mm | Manual | Buy mainspring |
Incabloc Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
KIF Part Listing
| Block # (Top/Bottom) | Cap Jewel # (Top/Bottom) | Spring # (Top/Bottom) |
|---|
Documents
Parts Listing
| Part Description | Reference # | Alternate | Buy |
|---|
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